28520352

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 216

約数和(自身を含む): 98594496

約数和(自身を除く): 70074144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 43, 47, 48, 49, 56, 63, 72, 84, 86, 94, 96, 98, 112, 126, 129, 141, 144, 147, 168, 172, 188, 196, 224, 252, 258, 282, 288, 294, 301, 329, 336, 344, 376, 387, 392, 423, 441, 504, 516, 564, 588, 602, 658, 672, 688, 752, 774, 784, 846, 882, 903, 987, 1008, 1032, 1128, 1176, 1204, 1316, 1376, 1504, 1548, 1568, 1692, 1764, 1806, 1974, 2016, 2021, 2064, 2107, 2256, 2303, 2352, 2408, 2632, 2709, 2961, 3096, 3384, 3528, 3612, 3948, 4042, 4128, 4214, 4512, 4606, 4704, 4816, 5264, 5418, 5922, 6063, 6192, 6321, 6768, 6909, 7056, 7224, 7896, 8084, 8428, 9212, 9632, 10528, 10836, 11844, 12126, 12384, 12642, 13536, 13818, 14112, 14147, 14448, 15792, 16168, 16856, 18189, 18424, 18963, 20727, 21672, 23688, 24252, 25284, 27636, 28294, 28896, 31584, 32336, 33712, 36378, 36848, 37926, 41454, 42441, 43344, 47376, 48504, 50568, 55272, 56588, 64672, 67424, 72756, 73696, 75852, 82908, 84882, 86688, 94752, 97008, 99029, 101136, 110544, 113176, 127323, 145512, 151704, 165816, 169764, 194016, 198058, 202272, 221088, 226352, 254646, 291024, 297087, 303408, 331632, 339528, 396116, 452704, 509292, 582048, 594174, 606816, 663264, 679056, 792232, 891261, 1018584, 1188348, 1358112, 1584464, 1782522, 2037168, 2376696, 3168928, 3565044, 4074336, 4753392, 7130088, 9506784, 14260176, 28520352]

約数ペア:

[(1, 28520352), (2, 14260176), (3, 9506784), (4, 7130088), (6, 4753392), (7, 4074336), (8, 3565044), (9, 3168928), (12, 2376696), (14, 2037168), (16, 1782522), (18, 1584464), (21, 1358112), (24, 1188348), (28, 1018584), (32, 891261), (36, 792232), (42, 679056), (43, 663264), (47, 606816), (48, 594174), (49, 582048), (56, 509292), (63, 452704), (72, 396116), (84, 339528), (86, 331632), (94, 303408), (96, 297087), (98, 291024), (112, 254646), (126, 226352), (129, 221088), (141, 202272), (144, 198058), (147, 194016), (168, 169764), (172, 165816), (188, 151704), (196, 145512), (224, 127323), (252, 113176), (258, 110544), (282, 101136), (288, 99029), (294, 97008), (301, 94752), (329, 86688), (336, 84882), (344, 82908), (376, 75852), (387, 73696), (392, 72756), (423, 67424), (441, 64672), (504, 56588), (516, 55272), (564, 50568), (588, 48504), (602, 47376), (658, 43344), (672, 42441), (688, 41454), (752, 37926), (774, 36848), (784, 36378), (846, 33712), (882, 32336), (903, 31584), (987, 28896), (1008, 28294), (1032, 27636), (1128, 25284), (1176, 24252), (1204, 23688), (1316, 21672), (1376, 20727), (1504, 18963), (1548, 18424), (1568, 18189), (1692, 16856), (1764, 16168), (1806, 15792), (1974, 14448), (2016, 14147), (2021, 14112), (2064, 13818), (2107, 13536), (2256, 12642), (2303, 12384), (2352, 12126), (2408, 11844), (2632, 10836), (2709, 10528), (2961, 9632), (3096, 9212), (3384, 8428), (3528, 8084), (3612, 7896), (3948, 7224), (4042, 7056), (4128, 6909), (4214, 6768), (4512, 6321), (4606, 6192), (4704, 6063), (4816, 5922), (5264, 5418)]